301222231 has 2 divisors, whose sum is σ = 301222232. Its totient is φ = 301222230.

The previous prime is 301222213. The next prime is 301222253. The reversal of 301222231 is 132222103.

Together with previous prime (301222213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-301222231 is a prime.

It is a super-2 number, since 2×301222231² = 181469664897234722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (301222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150611115 + 150611116.

It is an arithmetic number, because the mean of its divisors is an integer number (150611116).

Almost surely, 2^301222231 is an apocalyptic number.

301222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

301222231 is an equidigital number, since it uses as much as digits as its factorization.

301222231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 301222231 is about 17355.7549821378. The cubic root of 301222231 is about 670.3408312667.

Adding to 301222231 its reverse (132222103), we get a palindrome (433444334).

The spelling of 301222231 in words is "three hundred one million, two hundred twenty-two thousand, two hundred thirty-one".